/* ==========================================
   OfficeMitra - Split PDF
   split-pdf.css
========================================== */

/* ===== Hero ===== */

.merge-hero{
    background:linear-gradient(135deg,#2563eb,#4f46e5);
    color:#fff;
    text-align:center;
    padding:80px 20px;
}

.merge-hero h1{
    font-size:48px;
    margin-bottom:15px;
}

.merge-hero p{
    font-size:18px;
}

/* ===== Upload ===== */

.merge-section{
    padding:60px 0;
}

.upload-box{
    max-width:800px;
    margin:auto;
    background:#fff;
    border:3px dashed #2563eb;
    border-radius:20px;
    padding:60px 30px;
    text-align:center;
    cursor:pointer;
    transition:.3s;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
}

.upload-box:hover{
    transform:translateY(-5px);
    background:#f8fbff;
}

.upload-box.dragover{
    background:#eef5ff;
    border-color:#1d4ed8;
}

.upload-box i{
    font-size:70px;
    color:#2563eb;
    margin-bottom:20px;
}

.upload-box h2{
    font-size:30px;
    margin-bottom:10px;
}

.upload-box p{
    color:#666;
    margin:15px 0;
}

.upload-btn{
    display:inline-block;
    background:#2563eb;
    color:#fff;
    padding:15px 35px;
    border-radius:50px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}

.upload-btn:hover{
    background:#1d4ed8;
}

/* ===== PDF Info ===== */

.file-section{
    padding:50px 0;
}

.file-section h2{
    text-align:center;
    margin-bottom:30px;
}

#pdfInfo{
    max-width:750px;
    margin:auto;
    background:#fff;
    border-radius:18px;
    padding:30px;
    box-shadow:0 8px 20px rgba(0,0,0,.08);
    text-align:center;
    line-height:2;
}

/* ===== Input ===== */

.action-section{
    text-align:center;
    padding:50px 0;
}

#pageRange{
    width:350px;
    max-width:95%;
    padding:15px;
    border:2px solid #d1d5db;
    border-radius:10px;
    font-size:16px;
    outline:none;
    transition:.3s;
}

#pageRange:focus{
    border-color:#2563eb;
}

/* ===== Button ===== */

.merge-btn{
    margin-top:20px;
    border:none;
    background:#2563eb;
    color:#fff;
    padding:16px 40px;
    border-radius:50px;
    font-size:18px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}

.merge-btn:hover{
    background:#1d4ed8;
    transform:translateY(-4px);
}

/* ===== Progress ===== */

.progress-section{
    padding-bottom:50px;
}

.progress-box{
    width:90%;
    max-width:800px;
    margin:auto;
    height:14px;
    background:#e5e7eb;
    border-radius:30px;
    overflow:hidden;
}

#progressBar{
    width:0%;
    height:100%;
    background:linear-gradient(90deg,#2563eb,#4f46e5);
    transition:.4s;
}

#status{
    text-align:center;
    margin-top:15px;
    color:#666;
}

/* ===== Download ===== */

.download-section{
    text-align:center;
    padding-bottom:70px;
}

.download-btn{
    display:inline-block;
    padding:16px 38px;
    background:#16a34a;
    color:#fff;
    text-decoration:none;
    border-radius:50px;
    font-weight:600;
    transition:.3s;
}

.download-btn:hover{
    background:#15803d;
    transform:translateY(-4px);
}

/* ===== Responsive ===== */

@media(max-width:768px){

.merge-hero h1{
    font-size:34px;
}

.upload-box{
    padding:40px 20px;
}

.upload-box h2{
    font-size:24px;
}

#pageRange{
    width:100%;
}

.merge-btn{
    width:100%;
}

.download-btn{
    width:100%;
}

}